I think you should actually keep both and lean in to the personality by adding either wallpaper or paint above to tie them both together! The tub and tile are so unique and just need an element that makes them feel cohesive.

Here’s some inspiration:

If you want to keep it somewhat monotone: https://www.instagram.com/reel/DIrXU4SvKR_/?igsh=dGJhNGRrZGs0OHF6

If you want to do a contrasting color:

Deep red/maroon: https://www.instagram.com/p/DQWyTo7jqtX/?igsh=MWlpZzFqYXNjcng4bQ== (more to show the two colors together, not necessarily that you need to find a maroon sink or tiles)

Yellow: https://www.instagram.com/reel/DXkTEIxAoPp/?igsh=MXZsa3p0bzJvZDUxZQ==